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According to Huckel's rule to explain ar...

According to Huckel's rule to explain aromaticity the compound has to posess 

A

(4n+2) lone pair electrons (n = 0, 1, 2,3....)

B

(4n+2) delocalised electrons (n = any integer including zero)

C

(4n+2) total electrons (n = 0, 1, 2, 3....)

D

(4n+2)n electrons (n = any non zero integer)

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The correct Answer is:
B
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AAKASH SERIES-AROMATIC HYDROCARBONS-OBJECTIVE EXERCIES - 2 (BENZENE)
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  2. According to Huckel's rule to explain aromaticity the compound has to ...

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  3. During ozonolysis of Imole of benzene, number of moles of ozone consum...

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  4. Compounds A and B respectively are

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  5. C2H4Br2 overset(alc KOH)(rarr) A underset("Metal tube")overset("Red ho...

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  6. Which of the following is not aromatic ?

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  7. Benzene does not undergo addition reaction easily because

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  8. The reagent used for converting benzene to ethyl benzene is

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  9. Benzene on treating with a mixture of conc. HNO3 and H2SO4 at 100^@C g...

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  10. The correct relation among the following is

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  11. Arrange the following compounds in the descending order of their react...

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  12. Match the following {:("List - I ","List - II"),("1)" O^(-) ", "p -"...

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  13. The ratio of the number of hybrid and pure orbitals in C6H6 used for b...

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  14. Number of sigma sp^2 - sp^2 bonds present in a molecule of X in the pr...

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  15. In which of the following reactions, aromatic character is retained ?

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  16. The correct arrangement for decreasing order of electrophilic subsitut...

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  17. Which one of the following is benzene ring deactivating group towards ...

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  18. When acetylene is passed through red hot iron tube, compound X is form...

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  19. Identify the reagents A and B used in the following reactions

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  20. Choose the correct reagents used in the conversion,  CH2 = CH2 overs...

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